sentinel node

[SEN-tuh-nul nohd]
nounpl: sentinel nodes
linfonodo sentinela
1. The first lymph node to which cancer cells are most likely to spread from a primary tumor; used in oncology to determine cancer staging and treatment
The surgeon identified the sentinel node during the biopsy to check for metastasis.
O cirurgião identificou o linfonodo sentinela durante a biópsia para verificar metástase.
2. A lymph node closest to a tumor that serves as an indicator of whether cancer has spread to other parts of the body
Sentinel node mapping helps oncologists assess the extent of breast cancer.
O mapeamento do linfonodo sentinela ajuda oncologistas a avaliar a extensão do câncer de mama.
This is specialized medical terminology commonly used in oncology departments across Brazil and Portugal. The concept emerged from advances in cancer treatment protocols, particularly in breast cancer management. It represents a shift toward less invasive surgical approaches compared to full lymph node dissection. The term is used identically in English and Portuguese medical communities, reflecting the globalized nature of modern medical practice.
Synonyms / Sinônimos
guardian lymph nodeindex lymph nodefirst-line lymph node

Regional Variations

General Brazilian
linfonodo sentinela
Standard medical term used across Brazil in oncological contexts
Portugal
gânglio sentinela or nódulo sentinela
European Portuguese may use 'gânglio' instead of 'linfonodo'
Medical Community Worldwide
linfonodo sentinela
Standardized terminology in international medical literature

Related Words

lymph nodebiopsymetastasisoncologycancer stagingsentinel lymph node biopsy

Related Idioms & Phrases

sentinel node biopsy
sentinel lymph node mapping
sentinel node dissection
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